linux-kernel - Re: [PATCH bpf-next v3 00/14] selftests/bpf: Integrate test_xsk.c to test

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Message-ID: <CAADnVQKSHuFgd9KbAv_dUTiS2de=crjDtNLAp5tt7DhBQgZWEg@mail.gmail.com>
Date: Mon, 15 Sep 2025 10:13:24 -0700
From: Alexei Starovoitov <alexei.starovoitov@...il.com>
To: Maciej Fijalkowski <maciej.fijalkowski@...el.com>
Cc: "Bastien Curutchet (eBPF Foundation)" <bastien.curutchet@...tlin.com>, Björn Töpel <bjorn@...nel.org>, 
	Magnus Karlsson <magnus.karlsson@...el.com>, Jonathan Lemon <jonathan.lemon@...il.com>, 
	Alexei Starovoitov <ast@...nel.org>, Daniel Borkmann <daniel@...earbox.net>, 
	Andrii Nakryiko <andrii@...nel.org>, Martin KaFai Lau <martin.lau@...ux.dev>, 
	Eduard Zingerman <eddyz87@...il.com>, Song Liu <song@...nel.org>, 
	Yonghong Song <yonghong.song@...ux.dev>, John Fastabend <john.fastabend@...il.com>, 
	KP Singh <kpsingh@...nel.org>, Stanislav Fomichev <sdf@...ichev.me>, Hao Luo <haoluo@...gle.com>, 
	Jiri Olsa <jolsa@...nel.org>, Mykola Lysenko <mykolal@...com>, Shuah Khan <shuah@...nel.org>, 
	"David S. Miller" <davem@...emloft.net>, Jakub Kicinski <kuba@...nel.org>, 
	Jesper Dangaard Brouer <hawk@...nel.org>, Thomas Petazzoni <thomas.petazzoni@...tlin.com>, 
	Alexis Lothore <alexis.lothore@...tlin.com>, Network Development <netdev@...r.kernel.org>, 
	bpf <bpf@...r.kernel.org>, 
	"open list:KERNEL SELFTEST FRAMEWORK" <linux-kselftest@...r.kernel.org>, LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH bpf-next v3 00/14] selftests/bpf: Integrate test_xsk.c to
 test_progs framework

On Thu, Sep 4, 2025 at 7:17 AM Maciej Fijalkowski
<maciej.fijalkowski@...el.com> wrote:
>
> On Thu, Sep 04, 2025 at 12:10:15PM +0200, Bastien Curutchet (eBPF Foundation) wrote:
> > Hi all,
> >
> > This is a second version of a series I sent some time ago, it continues
> > the work of migrating the script tests into prog_tests.
> >
> > The test_xsk.sh script covers many AF_XDP use cases. The tests it runs
> > are defined in xksxceiver.c. Since this script is used to test real
> > hardware, the goal here is to leave it as it is, and only integrate the
> > tests that run on veth peers into the test_progs framework.
> >
> > Some tests are flaky so they can't be integrated in the CI as they are.
> > I think that fixing their flakyness would require a significant amount of
> > work. So, as first step, I've excluded them from the list of tests
> > migrated to the CI (see PATCH 13). If these tests get fixed at some
> > point, integrating them into the CI will be straightforward.
> >
> > PATCH 1 extracts test_xsk[.c/.h] from xskxceiver[.c/.h] to make the
> > tests available to test_progs.
> > PATCH 2 to 5 fix small issues in the current test
> > PATCH 7 to 12 handle all errors to release resources instead of calling
> > exit() when any error occurs.
> > PATCH 13 isolates some flaky tests
> > PATCH 14 integrate the non-flaky tests to the test_progs framework
> >
> > Maciej, I've fixed the bug you found in the initial series. I've
> > looked for any hardware able to run test_xsk.sh in my office, but I
> > couldn't find one ... So here again, only the veth part has been tested,
> > sorry about that.
>
> Hi Bastien,
>
> just a heads up, I won't be able to review this until 15 sept. If anyone
> else would pick this up earlier then good, otherwise please stay patient
> :)

Maciej,
Sep 15 is today... just bumping it in your todo list :)
Pls take a look.